Casio intros two new Privia digital pianos: PX-720, PX-120 – Piano & Synth Magazine
Amazon.com: DCPOWER AC Power Adapter Compatible Replacement for CASIO PX-700, PX-720, PX-720C : Electronics
Amazon.com: Casio Privia PX-770 Digital Piano - Black Bundle with Furniture Bench, Instructional Book, Austin Bazaar Instructional DVD, and Polishing Cloth : Musical Instruments
CASIO PX-720 PX-720C PIANO SM Service Manual download, schematics, eeprom, repair info for electronics experts